1) deviation drilling
偏钻
2) borehole deviation
钻孔偏斜
1.
According to the quality problems encountered in construction process, such as hole collapsing, plugging and borehole deviation their causing reasons are analyzed; at the same time corresponding quality control measures are proposed.
介绍了嵌岩钻孔灌注桩的作用原理及主要特点,针对施工过程中塌孔、钻孔偏斜、导管堵塞等常见的质量问题,对其原因作了分析,提出相应的质量控制措施。
3) eccentric bit
偏心钻头
1.
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法,建立了偏心钻头底部钻具组合的力学模型,并完成了对力学模型的求解。
4) eccentric drill tool
偏心钻具
6) eccentric boring hole
偏心钻孔
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条